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Is Your Dog Wimpier than Your Cat? 狗比猫更懦弱? Have you ever noticed that while its pretty easy to tell your dog is sick, its much harder to know how your cat or bird are feeling? Well, before you start asking your dog why it cant be more s
The Prefrontal Cortex with Age 年老的 前额皮质 The prefrontal cortex is the region of the brain located just behind the forehead, where higher-level cognition occurs, such as recalling whether a word was heard aloud or read. Most people show e
Why lips go dry? 为什么嘴唇会干呢? Lets start by reviewing the ways in which the surface of our lips is different from the surface of the skin on the rest of our bodies. Basically, our lips are made of the same mucus membrane that coats t
Runny Nose 流鼻涕 As anyone whos had a toddler knows, theyre incredibly demanding creatures. Armed with an insatiable desire to eat and/or destroy just about everything in their path, these walking embodiment s of unchecked ego can be a handful. E
Osteoporosis 骨质疏松症 Todays word is: osteoporosis ! Yep, osteoporosis . Now, youve heard this word before, and you know it has something to do with bones. But can you actually explain what it is? The answer is straight-forward. It comes down
Celebrity Worshiper s 你崇拜明星吗? Are you a celebrity worshiper ? If so, that might say something about the kind of person you are. Psychologists have found that people who believe in a just world are more likely to worship celebrities, whe
Vesta 灶神星 You can see the planet Jupiter on a clear night, but Jupiter is humongous. Mars and Mercury are smaller than that, and you can see them, too. Wait a minute, our moon is even smaller, and you can see that. Could anything smaller than t
Buckminster Fuller and His Geodesic Dome 巴克敏斯特福乐和他的球型屋顶 Ever heard of a man named Buckminster Fuller, or Bucky, as his friends called him? R. Buckminster Fuller was a twentieth century scientist, philosopher , inventor, an
It Pays to Be an Optimist 做个乐观主义者 Research shows that whether a person is an optimist or a pessimist is related to their quality of life, including their physical health. The subjects involved first took personality tests in the 1960s a
Not So Silly Geese 雁群为什么总排成一字或人字形队伍飞行呢?这是因为大雁飞行的路程很长,它们除了靠扇动翅膀飞行之外,也常利用上升气流在天空中滑翔,使翅膀得到间断地休息空隙,以节
The Physics of Water Towers 水塔,一般居民区里蓄水作用,有些还是水厂生产工艺的一个重要组成部分,用于保持和调节给水管网中的水量和水压。主要由水柜、基础和连接两者的支筒或支架组成。
Dinosaur Oil Crisis 恐龙灭绝有关石油危机? 恐龙是距今1亿3千万年前地球上爬行动物的总称。它们的种类很多,身体大小、形状、生活习性各不相同,陆地、海洋、空中都是恐龙类爬行动物的活动
D:Yael, do you know what's the best thing about state affair? Y: Do you tell. D: Fried candy bars, two favoriate treats rolled into one. And doesn't it bother your mind how they manage fried chacholate without making a terrible mess? Fried candy ba
Everybody loves the swimming pool. But how clean is the water in the average backyard or public pool? If you trust chlorine to take care of germs, you're in for a surprise. Chlorine and other disinfectants do indeed help to clean the water, but some
Although it is devastating to find out that Chicago is sinking, were only talking one millimeter a year. Thats four inches in a century, but only until the land in North America brings itself back into equilibrium. When glaciers covered Canada and th
Eye spy, on this moment of science. You see at a movie's, someone is asked for identification, instead of producing a badge or picture, they simply look into a camera. Hollywood special effect department then show us lots of needle computer graphics.
When you experience something new, do you know what happens to your brain? Some of the neurons in your brain build new connections. The brain is rewired, as scientists often put it. Our brains are always changing, in response to new experiences or as
Flu Shot Through the Heart 一定恨透了流感吧?头疼脑热,四肢无力,涕泪四流但你是否知道偶尔患患流感能降低罹患心脏病与中风的危险呢?让我们一起来听听研究人员的新发现吧。 Researchers con
Snake Vision 即使在晚上,蛇也能凭借它超常的视力抓到食物。究竟为什么,听听就知道了。 Time for True or False.We 'A Moment of Science' gives you a scientific claim that you may have never heard before and then tells yo
Dmitry Belyaev, Foxes, And Domestication 你与猫或狗玩耍过吗?在远古,狗对我们的祖先来说还是一种比较危险的动物呢。那么,现在为什么它们这么听话?我们的祖先又是如何驯化它们的呢?今天,就